EP0555709A1 - Tragrahmen zum zeitweiligen Abstützen von horizontalen Scheiben während des Stapelns - Google Patents

Tragrahmen zum zeitweiligen Abstützen von horizontalen Scheiben während des Stapelns Download PDF

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Publication number
EP0555709A1
EP0555709A1 EP93101465A EP93101465A EP0555709A1 EP 0555709 A1 EP0555709 A1 EP 0555709A1 EP 93101465 A EP93101465 A EP 93101465A EP 93101465 A EP93101465 A EP 93101465A EP 0555709 A1 EP0555709 A1 EP 0555709A1
Authority
EP
European Patent Office
Prior art keywords
bar
actuator
frame according
frame
horizontal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93101465A
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English (en)
French (fr)
Other versions
EP0555709B1 (de
Inventor
Jean-François Fornay
Olivier Recordon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bobst Mex SA
Original Assignee
Bobst SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Bobst SA filed Critical Bobst SA
Publication of EP0555709A1 publication Critical patent/EP0555709A1/de
Application granted granted Critical
Publication of EP0555709B1 publication Critical patent/EP0555709B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/26—Delivering or advancing articles from machines; Advancing articles to or into piles by dropping the articles
    • B65H29/34—Delivering or advancing articles from machines; Advancing articles to or into piles by dropping the articles from supports slid from under the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D33/00—Accessories for shearing machines or shearing devices
    • B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
    • B23D33/025—Guillotines with holding means behind the knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/421—Forming a pile
    • B65H2301/4212—Forming a pile of articles substantially horizontal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00—Material or article handling
    • Y10S414/10—Associated with forming or dispersing groups of intersupporting articles, e.g. stacking patterns
    • Y10S414/114—Adjust to handle articles or groups of different sizes

Definitions

  • the present invention relates to a frame of variable geometry for the momentary support of an element in a horizontal plate, such as a sheet of paper or cardboard, an element which is subsequently carried out to carry out a vertical translation between guide and squaring as, for example, within a reception station where piles of elements are made up.
  • a sheet may include several side or successive contiguous and secured to each other by attachment points. It is imperative to maintain all the poses in a plane during the action of the guillotine then to open the support frame in a synchronized manner to release the sheet which must fall in a uniform movement.
  • the object of the present invention is a momentary support frame for sheets ensuring that a sheet is taken care of as soon as possible when it is introduced into the reception station, allowing careful transport, ensuring at the end of the journey and during the action of a guillotine complete and effective support and, finally, a perfectly synchronized opening to ensure a perfect fall of this leaf.
  • Another object is a device of the aforementioned type, the design of which is particularly simplified in order to reduce the production costs accordingly and to increase the speed of action due to the lower inertia of the parts used.
  • each of the two lateral supports consists of a horizontal flat bar extending substantially over the entire length of the frame and the displacement of which, from an advanced support position for the sheet. in a retracted position allowing the vertical fall of the sheet, is ensured by an actuator acting on the flat bar either directly or at most through a single lever.
  • the flat bar is oriented so that its width is in the vertical direction, and the method of holding its ends is such that this bar is able to flex only in the horizontal plane, the position of the central part of the bar being directly controlled by a transverse horizontal actuator.
  • each end of a bar has an oblong vertical opening oriented in the longitudinal direction, which opening is crossed by a vertical pin or retaining pin which is integral with the chassis of the station.
  • each end can be slidably inserted into the opening of a stirrup whose vertical rectangular section has a constant height identical to that of the bar and an increasing width in the direction of the bar.
  • the bars are made of synthetic materials such as plastic and more particularly polyamide or any other material having a coefficient of elasticity between 900 N / mm2 and 2000 N / mm2.
  • the flat bar is oriented so that its width is in the horizontal direction, one of its ends being pivotally mounted about a vertical axis, the other end being directly advanced or retracted by a transverse linear horizontal actuator.
  • the downstream end of the bar is pivoting ensuring a progressive fall of the sheet from its upstream edge.
  • the flat bar is oriented so that its width is in the horizontal direction, one of its ends being connected to one of the branches of a lever from which the other branch can be moved by a linear actuator, the other end of the bar being connected to a rod parallel to the first branch of the lever; the link, the lever and the actuator being located substantially in the same horizontal plane as the flat bar.
  • the flat bar is movable in rotation along a near axis and parallel to its external longitudinal edge, and either a rotary actuator is directly connected to the bar in the extension of its axis of rotation, or a transverse linear actuator acts on a branch protruding from the bar at the axis of rotation.
  • the actuator can have a double action of advance and withdrawal, but, for cost considerations, this actuator is preferably with single action of linear advance when activated, return means parallel to the actuator being provided to retract the bar at rest.
  • this actuator is necessary to add to it a torsion return means such as a helical spring.
  • ends of the bars as well as the corresponding actuators can be installed on support parts engaged on axes along which they are movable according to the format of the plate element.
  • a retractable shelf completing the frame at the rear can also be constituted by a bending bar only in a horizontal plane, the position of its central part also being controlled by positioning means such as double-action actuators: retracted , exit.
  • FIG. 1 is illustrated a receiving station 10 into which arrives sheets 20 led in horizontal translation "I” by a clamp bar 12 itself driven by an endless chain 14 illustrated schematically. Once arrived against front stops (not shown), these sheets 20 are released by the clamps 12 and their front edge 25 is cut at a line called "first thread” by a guillotine 32 acting relative to a table guillotine 30. This sheet is then dropped in a fall “II” in vertical translation, this fall being guided by tabs or stackers 18 and 19 up to the top of a stack 24 formed on a withdrawal pallet 26.
  • these sheets 20 comprise several poses 22 side by side and / or one behind the other "in tow", these poses being no longer connected together except by bridges of material.
  • the leaves 20 thus weakened must be properly supported throughout their transfer inside the station 10 and when cutting the first net in order to be maintained in a horizontal plane until released.
  • the framework according to this first embodiment of the invention is formed of two lateral bars 40 movable in the transverse direction relative to the movement of the sheet 20.
  • Each bar 40 is made so as to have relative flexibility in the horizontal plane but sufficient rigidity in the vertical plane.
  • a bar can be made of plastic material having a coefficient of elasticity between 900 N / mm2 and 2000 N / mm2 such as polyamide of reference "6.6” or "PE UHMW", this bar having a vertical rectangular section of the order of 4.5 by 0.7 mm.
  • Each end of this bar 40 has a horizontal transverse lug 45 oriented towards the outside of the station, this lug being pierced with an oblong vertical orifice and oriented in the longitudinal direction.
  • this lug can be held in a support piece 42 by means of a vertical pin 49, this connection allowing a certain play in the longitudinal direction necessary during the future bending of the bar.
  • each of the ends of this bar 40 could be engaged in the orifice of a stirrup which, in horizontal section, would have a basic conical section oriented towards the bar and whose internal height would correspond to the height of the bar.
  • this bar is held by the end of an orthogonal pneumatic actuator 46 and located in the same horizontal plane.
  • this simple action actuator 42 moves the bar from an initial position in which it is rectilinear according to the dotted line in the figure to an extended position where it is found. curved, for example 30 mm. This stroke is sufficient to prevent the sheet 20 from falling.
  • each end of the bars 40 could, if necessary, slide slightly in the corresponding support piece 42 thanks to the connection of the oblong orifice / fixing pin 49.
  • the return of the bar to the initial position is however achieved by means of tension springs 48 mounted parallel to the actuator 46.
  • the actuator 46 may consist of a plastic piston and a rigid metallic body.
  • the piston and the plastic bar 40 can then be fixed by means of a metal insert or a special screw for thermosetting material.
  • the advantage of this bar positioning device is reliability due to the simplicity of the parts and, moreover, their reasonable cost. If desired, this actuator 46 and these return means 48 can be replaced by a single pneumatic actuator with double action.
  • FIG. 2 is illustrated a second alternative embodiment of the invention.
  • the two lateral support bars 402 of the sheet 20 are oriented flat, that is to say that their width is now in the horizontal direction.
  • Their downstream ends are pivotally mounted around the vertical axes 491 secured to support parts 423 slidably mounted on a transverse axis 44.
  • their upstream ends are held by linear single-action actuators 462 transverse which are secured to pieces of upstream support 422 also engaged in sliding on a transverse axis 44.
  • a tension spring 482 parallel to the actuator 462 connects the bar 402 in correspondence to the body of this actuator or to a part which is integral with it.
  • the actuator 462 When the actuator 462 is activated, as illustrated on the left side of the figure, it advances the bar 402 in a position called “closed” towards the interior of the station, and this against the traction of the spring 482 The bar 402 is then in position to support the lateral edge of the sheet 20 during the entire movement of arrival in the station and during the separation of the front part 25 by the guillotine 30/32. Then the actuators 462 are deactivated and the springs 482 pull back the upstream ends of the bars in a movement "b" illustrated on the right side of this figure 2. The sheet 20 then begins to fall "II" gradually from its edge upstream and being guided by the rangers 19 then 18.
  • the inertia of the moving parts is particularly low allowing rapid and well synchronized actions.
  • FIG. 3 is illustrated a third variant in which the lateral support bars 403 are also flat, resting at each end on the upstream and downstream support parts 423.
  • the downstream end of each bar is connected to its part corresponding support by a horizontal link 493 making an angle of about 45 degrees with this bar when the latter is in the so-called "closed” position as illustrated on the left side of FIG. 3.
  • the upstream end of each bar is connected to the first branch 411 of a lever pivoting in a horizontal plane around an axis integral with the underlying support piece 423, this lever being arranged so that this first branch is permanently parallel to the link 493.
  • the other branch 410 of this lever is connected to the output axis 415 of an actuator 463 which, in the example illustrated, is mounted on the support piece 423 parallel to the bar 403.
  • the orientation of this actuator actually depends on the angle between the two arms 410/411 of the lever.
  • the link 493, the bar 403 and the first branch 411 of the lever being located in the same plane and the link being always parallel to the first branch, these parts permanently form a parallelogram.
  • the output axis 415 of the actuator pulls on the second branch 410 of the lever while the bar is in the closed position as illustrated on the left side of FIG. 3, it prints a rotation on the second branch 410 which is repeated identically by the link 493, the bar withdrawing in a movement "d” essentially of uniform orthogonal translation with a slight mowing movement, until reaching the so-called “open” position illustrated on the side right of this same figure, movement authorizing at a certain moment a balanced fall “II" of the sheet 20.
  • the return to the "closed” position of the bars is produced by the actuator 463 pushing forward the first branch 411 of the lever.
  • FIG. 4 illustrates a fourth variant in which each lateral support bar 404 is held, movable in rotation along a longitudinal axis close and parallel to its external edge, on the one hand downstream by the support piece 424 and on the other hand upstream by the exit axis of a rotary actuator 464 itself integral with the upstream support piece 424.
  • the actuator 464 straightens the bar 404 to put it "flat” when a sheet 20 arrives as illustrated on the left side of FIG. 4, then, in a movement rotary "g" turns the bar down to a vertical position as illustrated on the left side of this same figure, a position allowing a homogeneous fall "II" of the sheet which is then guided by the rows 18,19 .
  • the actuator can be double action or single action, a helical spring then ensuring the return to the open position of rest.
  • the support pieces 42 are themselves mounted on positioning axes 44 which more or less bring the bars 40 towards one another according to the format of the sheets 20 processed.
  • an endless chain or other device makes it possible to simultaneously adjust the support pieces 42 while maintaining symmetry with respect to the median plane of the station 10.
  • the frame can be closed at the back by a tablet (see fig. 5) which can be moved from front to back by a pneumatic double-action actuator (not shown).
  • This assembly could also be positioned more or less in advance beforehand according to the format of the sheet 20. It is also possible to equip the shelf with a plastic bar taken between two lateral stirrups and bent by a central pneumatic actuator.
  • FIG. 5 schematically represents an embodiment of an ejection frame equipped with bars 40 such as those already described above.
  • This frame has two longitudinal members 100 and 101 forming its side walls and a cross member 102 forming its upstream wall relative to the direction of passage of the plate elements indicated by the arrow "I".
  • the downstream wall of this frame is itself formed by a guillotine table 103.
  • the cross member 102 is constituted by a base 104 on which is fixed a slide 105 used for guiding the side members 100 and 101.
  • the guillotine table 103 is produced in the same way and also serves as a guide, by means of the slide 114, for the other end of the side members 100 and 101.
  • the guillotine table 103 is not movable while the cross member 102 can move, in the direction indicated by the arrow 106, under the effect of the adjustment screws 107 and 108 whose movement is obtained using a gear motor 109 acting on the adjustment screw 107 arranged so as to be able to transmit its movement from rotation to the adjustment screw 108 via the chain wheels 110 and 111 connected by a chain 112.
  • the adjustment screws 107 and 108 engage in a thread arranged in the base 104 and are guided at their other end in bearings mounted in the base 113 of the guillotine table 103.
  • the longitudinal members 100 and 101 guided in the slides 105 and 114 fixed on the bases 104 and 113 can be moved laterally, in the direction indicated by the arrows 115 and 116, under the action of the adjusting screws 117, 118, 119 and 120.
  • the adjustment screws 117 and 118 control the movement of the beam 100 and the adjustment screws 119 and 120 control the movement of the spar 101.
  • a gear motor 121 drives the screw 117 which transmits its rotational movement to the screw 118 by means of the toothed wheels 122 and 123 connected by a chain 124.
  • Another motor-reducer 125 drives the screw 119 which transmits its rotational movement to the screw 120 by means of the toothed wheels 126 and 127 connected by a chain 128.
  • This framework therefore allows, without dismantling these components, a progressive adjustment from the smallest to the largest format of the elements in plates or sheets 20.
  • this frame with variable geometry can also be installed in an intermediate position in order to support a secondary stack of sheets 20 created during the replacement of a full pallet 26 by a new empty pallet, the latter being brought almost to level of the intermediate frame before reopening of it (not shown).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Discharge By Other Means (AREA)
  • Buffer Packaging (AREA)
  • Pallets (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP93101465A 1992-02-10 1993-01-30 Tragrahmen zum zeitweiligen Abstützen von horizontalen Scheiben während des Stapelns Expired - Lifetime EP0555709B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH386/92 1992-02-10
CH00386/92A CH687324A5 (fr) 1992-02-10 1992-02-10 Cadre de support momentané d'un élément en plaque horizontal au sein d'une machine.

Publications (2)

Publication Number Publication Date
EP0555709A1 true EP0555709A1 (de) 1993-08-18
EP0555709B1 EP0555709B1 (de) 1996-05-01

Family

ID=4185824

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93101465A Expired - Lifetime EP0555709B1 (de) 1992-02-10 1993-01-30 Tragrahmen zum zeitweiligen Abstützen von horizontalen Scheiben während des Stapelns

Country Status (13)

Country Link
US (1) US5435541A (de)
EP (1) EP0555709B1 (de)
JP (2) JPH0616312A (de)
KR (1) KR970010908B1 (de)
AT (1) ATE137473T1 (de)
AU (1) AU663555B2 (de)
BR (1) BR9300522A (de)
CA (1) CA2088860C (de)
CH (1) CH687324A5 (de)
DE (1) DE69302411T2 (de)
DK (1) DK0555709T3 (de)
ES (1) ES2086795T3 (de)
TW (1) TW226357B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103558728A (zh) * 2013-10-30 2014-02-05 无锡市安捷脚手架有限公司 一种可实现平面内移动和转动的铝合金支架

Families Citing this family (20)

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Publication number Priority date Publication date Assignee Title
CH689978A5 (fr) * 1994-05-13 2000-02-29 Bobst Sa Dispositif de retenue d'éléments en plaque au sein d'une station de réception d'une machine de traitement de tels éléments.
JP2896339B2 (ja) * 1996-04-12 1999-05-31 キヤノン株式会社 画像形成装置
FR2760684B1 (fr) * 1997-03-11 1999-05-07 Aps Engineering Mecanisme d'impression compact
US6688083B1 (en) * 2000-11-17 2004-02-10 Lockheed Martin Corporation Drop control mechanism for flat articles
US6860481B2 (en) * 2002-11-14 2005-03-01 Nikko Materials Usa, Inc. Sheet stacking device
JP4834968B2 (ja) 2004-08-11 2011-12-14 富士ゼロックス株式会社 真偽判定システム、真偽判定装置及びプログラム
US7627161B2 (en) 2005-11-28 2009-12-01 Fuji Xerox Co., Ltd. Authenticity determination method, apparatus and program
FR2990195B1 (fr) * 2012-05-03 2014-06-06 Holweg Sas Procede et machine de formation de paquets de sacs
JP6047401B2 (ja) 2012-12-29 2016-12-21 ユニ・チャーム株式会社 開繊された繊維束の製造方法、清掃部材の製造方法、繊維束の開繊装置、及び清掃部材の製造システム
JP6073128B2 (ja) 2012-12-29 2017-02-01 ユニ・チャーム株式会社 切断装置及び切断装置を用いた清掃部材の製造方法
US20140187406A1 (en) 2012-12-29 2014-07-03 Unicharm Corporation Method of producing cleaning member
US20140182767A1 (en) 2012-12-29 2014-07-03 Unicharm Corporation Method of producing cleaning member
JP6116589B2 (ja) 2012-12-29 2017-04-19 ユニ・チャーム株式会社 清掃部材を製造する方法、及び清掃部材を製造するシステム
JP6047400B2 (ja) 2012-12-29 2016-12-21 ユニ・チャーム株式会社 清掃部材を製造する方法及び装置
JP6057707B2 (ja) 2012-12-29 2017-01-11 ユニ・チャーム株式会社 開繊された繊維束の製造方法、清掃部材の製造方法、繊維束の開繊装置、及び清掃部材の製造システム
JP6103945B2 (ja) * 2013-01-10 2017-03-29 ユニ・チャーム株式会社 積み重ね装置及びウェブ部材を製造する方法
JP6141023B2 (ja) 2013-01-10 2017-06-07 ユニ・チャーム株式会社 トウを含むウエブ部材の製造方法
CN103693490A (zh) * 2013-12-04 2014-04-02 安徽省嘉信包装印务有限公司 一种瓦楞纸整料台
CN108248225A (zh) * 2018-02-07 2018-07-06 嘉兴市汉鼎五金制造有限公司 一种具有减震效果的喷绘机托架
CN108789607A (zh) * 2018-08-27 2018-11-13 重庆梦马致新科技有限公司 一种纸板切割自动卸料装置

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US2257469A (en) * 1939-05-20 1941-09-30 Youngstown Foundry And Machine Sheet piler
DE812537C (de) * 1949-09-17 1951-09-03 Banning A G J Vorrichtung zum Stapeln von platten- und streifenfoermigem Gut, wie Walzgut
FR2612163A1 (fr) * 1987-03-10 1988-09-16 Ahlstroem Valmet Procede et dispositif pour empiler des balles, en particulier des balles de pate a papier

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DE3937944C1 (de) * 1989-11-15 1991-04-18 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
JP3085354B2 (ja) * 1996-01-22 2000-09-04 株式会社牧野フライス製作所 工作機械

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2257469A (en) * 1939-05-20 1941-09-30 Youngstown Foundry And Machine Sheet piler
DE812537C (de) * 1949-09-17 1951-09-03 Banning A G J Vorrichtung zum Stapeln von platten- und streifenfoermigem Gut, wie Walzgut
FR2612163A1 (fr) * 1987-03-10 1988-09-16 Ahlstroem Valmet Procede et dispositif pour empiler des balles, en particulier des balles de pate a papier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103558728A (zh) * 2013-10-30 2014-02-05 无锡市安捷脚手架有限公司 一种可实现平面内移动和转动的铝合金支架
CN103558728B (zh) * 2013-10-30 2016-05-25 无锡市安捷脚手架有限公司 一种可实现平面内移动的铝合金支架

Also Published As

Publication number Publication date
CA2088860A1 (en) 1993-08-11
DE69302411D1 (de) 1996-06-05
ATE137473T1 (de) 1996-05-15
BR9300522A (pt) 1993-08-17
AU3291293A (en) 1993-08-12
JPH0616312A (ja) 1994-01-25
KR970010908B1 (ko) 1997-07-02
JPH09358U (ja) 1997-06-20
US5435541A (en) 1995-07-25
DK0555709T3 (da) 1996-09-09
CH687324A5 (fr) 1996-11-15
KR930017794A (ko) 1993-09-20
AU663555B2 (en) 1995-10-12
EP0555709B1 (de) 1996-05-01
CA2088860C (en) 1997-03-25
TW226357B (de) 1994-07-11
ES2086795T3 (es) 1996-07-01
DE69302411T2 (de) 1996-08-14

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